Composed primarily of undissolved cholesterol, they may also contain other substances. 2. Pigment gallstones: Characterized by their dark brown or black appearance, these stones form due to an ...

Of those people, eighty-five percent of their gallstones are cholesterol stones, correlating with the rise in obesity and ...

Gallstones are usually made up of a mixture of bile pigments and cholesterol. About 20 per cent of stones are made up of cholesterol alone, and small cholesterol stones can sometimes be dissolved ...

Two types of gallstone exist: cholesterol stones formed from cholesterol-supersaturated bile (80–90% of gallstones); and pigment stones consisting mainly of polymerized calcium bilirubinate (10 ...

Less than half (40.8%) of patients responded to the highest dose tested (750 mg/day), and only 13.5% had complete dissolution of their stones within ... 10% of patients, cholesterol gallstones ...

There are two types of gallstones including cholesterol stones which, Dr Kituku says, have more than 70 per cent cholesterol. The second type are pigmented stones, made up of bilirubin and blue salts.